Daikin RXYSQ4T8VB Series Installer And User Reference Manual page 132

26 | Technical data
Installer and user reference guide
132
X*Y Connector
X37A Connector (power supply for option PCB)
Y1E Electronic expansion valve (main)
Y3E Electronic expansion valve (subcool heat exchanger)
Y1S Solenoid valve (4‑way valve)
Z*C Noise filter (ferrite core)
Z*F (A*P) Noise filter
Legend for wiring diagram RXYSQ4~6_Y:
A1P Printed circuit board (main)
A2P Printed circuit board (inverter)
BS* Push buttons (mode, set, return, test, reset) (A1P)
C* Capacitor (A2P)
DS1 DIP switch (A1P)
F1U, F2U Fuse (T 31.5 A / 500 V) (A1P)
F1U Fuse (T 5.0 A / 250 V) (A2P)
F3U, F4U, F5U Fuse (T 6.3 A / 250 V) (A1P)
H*P LED (service monitor orange) (A1P)
HAP Running LED (service monitor green) (A*P)
K1M Magnetic contactor (A2P)
K*R Magnetic relay (A*P)
L1R Reactor
M1C Motor (compressor)
M1F Motor (upper fan)
M2F Motor (lower fan)
PS Switching power supply (A2P)
Q1DI Earth leakage circuit breaker (field supply)
R* Resistor (A2P)
R1T Thermistor (air)
R2T Thermistor (discharge)
R3T Thermistor (suction 1)
R4T Thermistor (heat exchanger)
R5T Thermistor (suction 2)
R6T Thermistor (subcool heat exchanger)
R7T Thermistor (liquid pipe)
R10T Thermistor (fin)
S1NPH High pressure sensor
S1NPL Low pressure sensor
S1PH High pressure switch
RXYSQ4~6T8V/YB
VRV IV-S system air conditioner
4P482277-1B – 2020.10